Sink organizer



FIG. 1 is a perspective view of a sink organizer design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left view which is a mirror image of the right view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines shown in the figures represent portions of the sink organizer that form no part of the claimed design. 

CLAIM The ornamental design for a sink organizer, as shown and described. 